<!doctype html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Document</title>
	<style>
     .gg{border:3px solid #f00;border-radius: 5px;}
	</style>
</head>
<body>
	<a href="#logo">图片</a>
	<a href="logo">图片</a>
	<div id="logo">测试</div>
	<div class="gg">测试</div>
</body>
</html>